X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fcu_stub%2Fcu_stub_sctp.h;h=d8128144e2f6085fe3f25ece0451def25b2a28f7;hb=d6b8cf5c9afbba0fada62efd626d56cb59c1e839;hp=03f273a67a108d744ec1e7c1b0b62e5d183acb08;hpb=3235ecfc7414aa0b72d0ad50db63ae8b5626045b;p=o-du%2Fl2.git

diff --git a/src/cu_stub/cu_stub_sctp.h b/src/cu_stub/cu_stub_sctp.h
index 03f273a67..d8128144e 100644
--- a/src/cu_stub/cu_stub_sctp.h
+++ b/src/cu_stub/cu_stub_sctp.h
@@ -21,32 +21,106 @@
 #ifndef __CU_SCTP_H__
 #define __CU_SCTP_H__
 
-#include "cu_stub.h"
-#include "cm_inet.h"
-#include "cm_tpt.h"
-
-#include "cm_inet.x"
-#include "cm_tpt.x"
-
 #define MAX_RETRY 5
+#define MAX_IPV6_LEN 16
+#define MAX_DU_SUPPORTED 2
+#define MAX_REMOTE_CU_SUPPORTED 1
+#define MAX_ASSOC_SUPPORTED (MAX_DU_SUPPORTED + MAX_REMOTE_CU_SUPPORTED)
 
 /* Global variable declaration */
-CmInetFd   lstnSockFd; /* Listening Socket file descriptor */
-CmInetFd   sockFd;     /* Socket File descriptor */
-U8   socket_type;      /* Socket type */
-Bool nonblocking;      /* Blocking/Non-blocking socket */
-Bool connUp;           /* Is connection up */
-int  assocId;          /* Assoc Id of connected assoc */
-  
-CmInetNetAddrLst localAddrLst;
-CmInetNetAddrLst remoteAddrLst;
-  
-SctpParams *sctpCfg;            /* SCTP configurations at DU */
-
-EXTERN S16 sctpActvInit();
-EXTERN void sctpStartReq();
-EXTERN S16 sctpSend(Buffer *mBuf);
+uint8_t   socket_type;      /* Socket type */
+
+typedef enum
+{
+   F1_INTERFACE,
+   XN_INTERFACE
+}InterfaceType;
+
+typedef enum
+{
+   SERVER,
+   CLIENT
+}NodeType;
+
+typedef struct
+{
+   S16              numFd;
+   uint16_t         port;   
+   uint32_t         flag;
+   Buffer           *mBuf;
+   MsgLen           bufLen; 
+   CmInetNetAddr    addr;
+   CmInetFdSet      readFd;
+   CmInetSctpSndRcvInfo   info;
+   CmInetSctpNotification ntfy;
+}sctpSockPollParams;
+
+typedef struct
+{
+   InterfaceType    intf;             /* F1 or Xn Interface */
+   uint32_t         destId;           /* For F1 interface, this is DU ID. For Xn, this is remote CU ID */
+   uint16_t         destPort;         /* DU PORTS */
+   Bool             bReadFdSet;
+   CmInetFd         sockFd;           /* Socket file descriptor */
+   CmInetAddr       peerAddr;
+   CmInetNetAddrLst destAddrLst;      /* Remote IP address list */
+   CmInetNetAddr    destIpNetAddr;    /* Remote IP network address */ 
+   Bool             connUp;           /* Is connection up */
+}CuSctpAssocCb;
+
+typedef struct ipAddr
+{
+ Bool      ipV4Pres;
+ uint32_t  ipV4Addr;
+ Bool      ipV6Pres;
+ uint8_t   ipV6Addr[MAX_IPV6_LEN];
+}SctpIpAddr;
+
+typedef struct sctpDestInfo
+{
+   SctpIpAddr  destIpAddr;
+   uint16_t    destPort;
+}SctpDestInfo;
+
+typedef struct sctpCfgPerIntf
+{
+   uint16_t       port;
+   NodeType       localNodeType; /* Local node acts as Server or client while establishing SCTP assoc */
+   uint8_t        numDestNode; 
+   SctpDestInfo   destCb[MAX_ASSOC_SUPPORTED];
+}SctpCfgPerIntf;
+
+typedef struct cuSctpParams
+{
+   SctpIpAddr     localIpAddr;
+   SctpCfgPerIntf f1SctpInfo;
+   SctpCfgPerIntf xnSctpInfo;
+}CuSctpParams;
+
+typedef struct
+{
+   CuSctpParams     sctpCfg;
+   CmInetNetAddrLst localAddrLst;
+   CmInetFd         f1LstnSockFd;       /* Listening Socket file descriptor for F1 association */
+   CmInetFd         xnLstnSockFd;       /* Listening Socket file descriptor for Xn association */
+   NodeType         localXnNodeType;    /* Local node acts as Server or client while establishing SCTP assoc at Xn interface */
+   uint8_t          numAssoc;
+   CuSctpAssocCb    assocCb[MAX_ASSOC_SUPPORTED];
+}SctpGlobalCb;
+
+SctpGlobalCb sctpCb;
+
+uint8_t sctpActvInit();
+uint8_t sctpStartReq();
+uint8_t sctpSend(InterfaceType intf, uint32_t destId, Buffer *mBuf);
+uint8_t sctpCfgReq();
 
+uint8_t fillAddrLst(CmInetNetAddrLst *addrLstPtr, SctpIpAddr *ipAddr);
+uint8_t fillDestNetAddr(CmInetNetAddr *destAddrPtr, SctpIpAddr *dstIpPtr);
+uint8_t sctpSetSockOpts(CmInetFd *sock_Fd);
+uint8_t sctpSockPoll();
+uint8_t sctpAccept(CmInetFd *lstnSockFd, CuSctpAssocCb *assocCb);
+uint8_t processPolling(sctpSockPollParams *pollParams, CuSctpAssocCb *assocCb, uint32_t *timeoutPtr, CmInetMemInfo *memInfo);
 #endif
 
 /**********************************************************************